{"product_id":"explore-alliance-presents-how-do-you-know-episode-13-the-roche-effect","title":"Explore Alliance Presents: How Do You KNOW? – Episode #13: 'The Roche Effect'","description":"\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003eThe French mathematician and astronomer, Edouard Roche, is most famous for his work on celestial mechanics and his discovery of the \u003c\/span\u003e\u003cspan\u003eRoche Limits\u003c\/span\u003e\u003cspan\u003e: the closest and farthest possible orbits for a moon around a planet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003eRoche studied the rings of Saturn. James Clerk Maxwell had proved that the rings of Saturn could be neither liquid, nor solid, nor gaseous. Liquids and gases would evaporate and disperse in the vacuum of space and no thin, solid object could endure the tremendous centrifugal forces rotating around a planet. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv title=\"Page 2\" class=\"page\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003eRoche realized that moons and planets are not like solid objects that we see in the world around us. If you pick up a stone, that stone is a solid, crystalline object; it is held together by \u003c\/span\u003e\u003cspan\u003eatomic forces\u003c\/span\u003e\u003cspan\u003e, chemical bonds connecting one atom to the next. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMoons are not like this, they are lumps of stone, ice, and other materials that are held together by \u003c\/span\u003e\u003cspan\u003egravitational forces\u003c\/span\u003e\u003cspan\u003e. It is the mutual gravitational attraction that holds a moon or planet together, not the atomic forces that make chemical bonds.\u003c\/span\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eDr. Barth helps us understand the findings of Roche and the behavior that planets have upon moon and ring systems\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eon this episode of  'How Do You KNOW?'\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv title=\"Page 1\" class=\"page\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":46518263283852,"sku":"sku-39921215668396","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/5858\/0876\/files\/HowDoYouKnow_COLORcopy_5ea0f08a-9124-4fd0-b52e-1e446d26cbd3.png?v=1772695482","url":"https:\/\/gobekusa.com\/products\/explore-alliance-presents-how-do-you-know-episode-13-the-roche-effect","provider":"GobekUSA","version":"1.0","type":"link"}